Mortality HRs according to fT4 level annual variation.

95% CI, 95% confidence interval; HR, hazard ratio.aModel 1: Adjusted for age and sex.bModel 2: Adjusted for age, sex, diabetes, systolic pressure, diastolic pressure, hemoglobin level, albumin level, C-reactive protein level, low-density lipoprotein, peritonitis rate, estimated glomerular filtration rate at baseline, weekly KT/V, peritoneal dialysis modality, and use of vitamin D.Mortality HRs according to fT4 level annual variation.